MID-FREQUENCY ACTIVE SONAR

(LIIBULLETIN preview)

The United States Navy uses mid-frequency active ("MFA") sonar to detect submerged submarines. Natural Resources Defense Council, Inc. v. Winter, 518 F.3d 658, 664 (9th Cir. 2008) (hereinafter NRDC). To discover such submarines, a Navy vessel emits a...